diff options
Diffstat (limited to 'include/acpi/acpi_table.h')
| -rw-r--r-- | include/acpi/acpi_table.h | 324 |
1 files changed, 314 insertions, 10 deletions
diff --git a/include/acpi/acpi_table.h b/include/acpi/acpi_table.h index 15fd61a51d7..b8b1f1338c6 100644 --- a/include/acpi/acpi_table.h +++ b/include/acpi/acpi_table.h @@ -290,7 +290,8 @@ struct __packed acpi_fadt { #define ACPI_MADT_REV_ACPI_3_0 2 #define ACPI_MADT_REV_ACPI_4_0 3 #define ACPI_MADT_REV_ACPI_5_0 3 -#define ACPI_MADT_REV_ACPI_6_0 5 +#define ACPI_MADT_REV_ACPI_6_2 4 +#define ACPI_MADT_REV_ACPI_6_3 5 #define ACPI_MCFG_REV_ACPI_3_0 1 @@ -342,7 +343,10 @@ enum acpi_apic_types { ACPI_APIC_LX2APIC, /* Processor local x2APIC */ ACPI_APIC_LX2APIC_NMI, /* Local x2APIC NMI */ ACPI_APIC_GICC, /* Generic Interrupt Ctlr CPU i/f */ - ACPI_APIC_GICD /* Generic Interrupt Ctlr Distributor */ + ACPI_APIC_GICD, /* Generic Interrupt Ctlr Distributor */ + ACPI_APIC_MSI_FRAME, /* Generic Interrupt MSI Frame */ + ACPI_APIC_GICR, /* Generic Interrupt Ctlr Redistributor */ + ACPI_APIC_ITS, /* Interrupt Translation Service */ }; /* MADT: Processor Local APIC Structure */ @@ -386,20 +390,20 @@ struct __packed acpi_madt_lapic_nmi { u8 lint; /* Local APIC LINT# */ }; -/* flags for acpi_madr_gicc flags word */ +/* flags for acpi_madt_gicc flags word */ enum { - ACPI_MADRF_ENABLED = BIT(0), - ACPI_MADRF_PERF = BIT(1), - ACPI_MADRF_VGIC = BIT(2), + ACPI_MADTF_ENABLED = BIT(0), + ACPI_MADTF_PERF = BIT(1), + ACPI_MADTF_VGIC = BIT(2), }; /** - * struct __packed acpi_madr_gicc - GIC CPU interface (type 0xb) + * struct __packed acpi_madt_gicc - GIC CPU interface (type 0xb) * * This holds information about the Generic Interrupt Controller (GIC) CPU * interface. See ACPI Spec v6.3 section 5.2.12.14 */ -struct acpi_madr_gicc { +struct acpi_madt_gicc { u8 type; u8 length; u16 reserved; @@ -421,12 +425,12 @@ struct acpi_madr_gicc { } __packed; /** - * struct __packed acpi_madr_gicc - GIC distributor (type 0xc) + * struct __packed acpi_madt_gicc - GIC distributor (type 0xc) * * This holds information about the Generic Interrupt Controller (GIC) * Distributor interface. See ACPI Spec v6.3 section 5.2.12.15 */ -struct acpi_madr_gicd { +struct acpi_madt_gicd { u8 type; u8 length; u16 reserved; @@ -437,6 +441,35 @@ struct acpi_madr_gicd { u8 reserved3[3]; } __packed; +/** + * struct __packed acpi_madt_gicr - GIC Redistributor (type 0xe) + * + * This holds information about the Generic Interrupt Controller (GIC) + * Redistributor interface. See ACPI Spec v6.3 section 5.2.12.17 + */ +struct acpi_madt_gicr { + u8 type; + u8 length; + u16 reserved; + u64 discovery_range_base_address; + u32 discovery_range_length; +} __packed; + +/** + * struct __packed acpi_madt_its - GIC Interrupt Translation Service (type 0xf) + * + * This holds information about the Interrupt Translation Service (ITS) + * Structure. See ACPI Spec v6.3 section 5.2.12.18 + */ +struct acpi_madt_its { + u8 type; + u8 length; + u16 reserved; + u32 gic_its_id; + u64 physical_base_address; + u32 reserved2; +} __packed; + /* MCFG (PCI Express MMIO config space BAR description table) */ struct acpi_mcfg { struct acpi_table_header header; @@ -707,6 +740,8 @@ struct acpi_gtdt { u32 virt_el2_flags; } __packed; +#define GTDT_FLAG_INT_ACTIVE_LOW BIT(1) + /** * struct acpi_bgrt - Boot Graphics Resource Table (BGRT) * @@ -797,6 +832,117 @@ struct acpi_pptt_cache { u16 line_size; } __packed; +/** IORT - IO Remapping Table revision 6 + * Document number: ARM DEN 0049E.e, Sep 2022 + */ +struct acpi_table_iort { + struct acpi_table_header header; + u32 node_count; + u32 node_offset; + u32 reserved; +} __packed; + +/* + * IORT subtables + */ +struct acpi_iort_node { + u8 type; + u16 length; + u8 revision; + u32 identifier; + u32 mapping_count; + u32 mapping_offset; + char node_data[]; +} __packed; + +/* Values for subtable Type above */ +enum acpi_iort_node_type { + ACPI_IORT_NODE_ITS_GROUP = 0x00, + ACPI_IORT_NODE_NAMED_COMPONENT = 0x01, + ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02, + ACPI_IORT_NODE_SMMU = 0x03, + ACPI_IORT_NODE_SMMU_V3 = 0x04, + ACPI_IORT_NODE_PMCG = 0x05, + ACPI_IORT_NODE_RMR = 0x06, +}; + +/* ITS Group revision 1 */ +struct acpi_iort_its_group { + u32 its_count; + u32 identifiers[]; /* GIC ITS identifier array */ +} __packed; + +/* PCI root complex node revision 2 */ +struct acpi_iort_rc { + u64 mem_access_properties; + u32 ats_attributes; + u32 pci_segment_number; + u8 memory_address_size_limit; + u8 reserved[3]; +} __packed; + +/* SMMUv3 revision 5 */ +struct acpi_iort_smmu_v3 { + u64 base_address; /* SMMUv3 base address */ + u32 flags; + u32 reserved; + u64 vatos_address; + u32 model; + u32 event_gsiv; + u32 pri_gsiv; + u32 gerr_gsiv; + u32 sync_gsiv; + u32 pxm; + u32 id_mapping_index; +} __packed; + +/* Masks for Flags field above */ +#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1) +#define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (3 << 1) +#define ACPI_IORT_SMMU_V3_PXM_VALID (1 << 3) +#define ACPI_IORT_SMMU_V3_DEVICEID_VALID (1 << 4) + +struct acpi_iort_id_mapping { + u32 input_base; /* Lowest value in input range */ + u32 id_count; /* Number of IDs */ + u32 output_base; /* Lowest value in output range */ + u32 output_reference; /* A reference to the output node */ + u32 flags; +} __packed; + +/* Masks for Flags field above for IORT subtable */ +#define ACPI_IORT_ID_SINGLE_MAPPING (1) + +/* Named Component revision 4 */ +struct acpi_iort_named_component { + u32 node_flags; + u64 memory_properties; /* Memory access properties */ + u8 memory_address_limit; /* Memory address size limit */ + char device_name[]; /* Path of namespace object */ +} __packed; + +/* Masks for Flags field above */ +#define ACPI_IORT_NC_STALL_SUPPORTED (1) +#define ACPI_IORT_NC_PASID_BITS (31 << 1) + +struct acpi_iort_root_complex { + u64 memory_properties; /* Memory access properties */ + u32 ats_attribute; + u32 pci_segment_number; + u8 memory_address_limit;/* Memory address size limit */ + u16 pasid_capabilities; /* PASID Capabilities */ + u8 reserved; /* Reserved, must be zero */ + u32 flags; /* Flags */ +} __packed; + +/* Masks for ats_attribute field above */ +#define ACPI_IORT_ATS_SUPPORTED (1) /* The root complex ATS support */ +#define ACPI_IORT_PRI_SUPPORTED (1 << 1) /* The root complex PRI support */ +#define ACPI_IORT_PASID_FWD_SUPPORTED (1 << 2) /* The root complex PASID forward support */ + +/* Masks for pasid_capabilities field above */ +#define ACPI_IORT_PASID_MAX_WIDTH (0x1F) /* Bits 0-4 */ + /* Tables defined/reserved by ACPI and generated by U-Boot */ enum acpi_tables { ACPITAB_BERT, @@ -806,12 +952,14 @@ enum acpi_tables { ACPITAB_ECDT, ACPITAB_FACS, ACPITAB_FADT, + ACPITAB_GTDT, ACPITAB_HEST, ACPITAB_HPET, ACPITAB_IVRS, ACPITAB_MADT, ACPITAB_MCFG, ACPITAB_NHLT, + ACPITAB_PPTT, ACPITAB_RSDP, ACPITAB_RSDT, ACPITAB_SLIT, @@ -847,6 +995,19 @@ int acpi_get_table_revision(enum acpi_tables table); int acpi_create_dmar(struct acpi_dmar *dmar, enum dmar_flags flags); /** + * acpi_create_mcfg_mmconfig() - Create a MCFG table entry + * + * @mmconfig: Place to put the table + * @base: Base address of the ECAM space + * @seg_nr: PCI segment number + * @start: PCI bus start number + * @end: PCI bus end number + * Return: size of data written in bytes + */ +int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base, + u16 seg_nr, u8 start, u8 end); + +/** * acpi_create_dbg2() - Create a DBG2 table * * This table describes how to access the debug UART @@ -914,6 +1075,17 @@ static inline int acpi_add_fadt(struct acpi_ctx *ctx, struct acpi_fadt *fadt) } /** + * acpi_write_dbg2_pci_uart() - Write out a DBG2 table + * + * @ctx: Current ACPI context + * @dev: Debug UART device to describe + * @access_size: Access size for UART (e.g. ACPI_ACCESS_SIZE_DWORD_ACCESS) + * Return: 0 if OK, -ve on error + */ +int acpi_write_dbg2_pci_uart(struct acpi_ctx *ctx, struct udevice *dev, + uint access_size); + +/** * acpi_write_rsdp() - Write out an RSDP indicating where the ACPI tables are * * @rsdp: Address to write RSDP @@ -944,6 +1116,138 @@ void acpi_fill_header(struct acpi_table_header *header, char *signature); int acpi_fill_csrt(struct acpi_ctx *ctx); /** + * acpi_fill_fadt() - Fill out the body of the FADT + * + * Must be implemented in SoC specific code or in mainboard code. + * + * @fadt: Pointer to FADT to update + */ +void acpi_fill_fadt(struct acpi_fadt *fadt); + +/** + * acpi_fill_iort() - Fill out the body of the IORT table + * + * Should be implemented in SoC specific code. + * + * @ctx: ACPI context to write to + * @offset: Offset from the start of the IORT + */ +int acpi_fill_iort(struct acpi_ctx *ctx); + +/** + * acpi_iort_add_its_group() - Add ITS group node to IORT table + * + * Called by SoC specific code within acpi_fill_iort(). + * + * @ctx: ACPI context to write to + * @its_count: Elements in identifiers + * @identifiers: The array of ITS identifiers. These IDs must match the value + * used in the Multiple APIC Description Table (MADT) GIC ITS + * structure for each relevant ITS unit. + * @return Offset of table within parent + */ +int acpi_iort_add_its_group(struct acpi_ctx *ctx, + const u32 its_count, + const u32 *identifiers); + +/** + * acpi_iort_add_named_component() - Add named component to IORT table + * + * Called by SoC specific code within acpi_fill_iort(). + * + * @ctx: ACPI context to write to + * @node_flags: Node flags + * @memory_properties: Memory properties + * @memory_address_limit: Memory address limit + * @device_name: ACPI device path + * @return Offset of table within parent + */ +int acpi_iort_add_named_component(struct acpi_ctx *ctx, + const u32 node_flags, + const u64 memory_properties, + const u8 memory_address_limit, + const char *device_name); + +/** + * acpi_iort_add_rc() - Add PCI root complex node to IORT table + * + * Called by SoC specific code within acpi_fill_iort(). + * + * @ctx: ACPI context to write to + * @mem_access_properties: Memory access properties + * @ats_attributes: Support for ATS and its ancillary feature + * @pci_segment_number: The PCI segment number, as in MCFG + * @memory_address_size_limit: The number of address bits, starting from LSB + * @num_mappings: Number of elements in map + * @map: ID mappings for this node + * @return Offset of table within parent + */ +int acpi_iort_add_rc(struct acpi_ctx *ctx, + const u64 mem_access_properties, + const u32 ats_attributes, + const u32 pci_segment_number, + const u8 memory_address_size_limit, + const int num_mappings, + const struct acpi_iort_id_mapping *map); + +/** + * acpi_iort_add_smmu_v3() - Add PCI root complex node to IORT table + * + * Called by SoC specific code within acpi_fill_iort(). + * + * @ctx: ACPI context to write to + * @base_address: Base address of SMMU + * @flags: SMMUv3 flags + * @vatos_address: Optional, set to zero if not supported + * @model: Model ID + * @event_gsiv: GSIV of the Event interrupt if SPI based + * @pri_gsiv: GSIV of the PRI interrupt if SPI based + * @gerr_gsiv: GSIV of the GERR interrupt if GSIV based + * @sync_gsiv: TGSIV of the Sync interrupt if GSIV based + * @pxm: Proximity Domain + * @id_mapping_index: If all the SMMU control interrupts are GSIV based, + * this field is ignored. Index into the array of ID + * mapping otherwise. + * @num_mappings: Number of elements in map + * @map: ID mappings for this node + * @return Offset of table within parent + */ +int acpi_iort_add_smmu_v3(struct acpi_ctx *ctx, + const u64 base_address, + const u32 flags, + const u64 vatos_address, + const u32 model, + const u32 event_gsiv, + const u32 pri_gsiv, + const u32 gerr_gsiv, + const u32 sync_gsiv, + const u32 pxm, + const u32 id_mapping_index, + const int num_mappings, + const struct acpi_iort_id_mapping *map); + +/** + * acpi_fill_madt() - Fill out the body of the MADT + * + * Must be implemented in SoC specific code. + * + * @madt: The MADT to update + * @ctx: ACPI context to write MADT sub-tables to + * @return Pointer to the end of tables, where the next tables can be written + */ +void *acpi_fill_madt(struct acpi_madt *madt, struct acpi_ctx *ctx); + +/** + * acpi_write_park() - Installs the ACPI parking protocol. + * + * Sets up the ACPI parking protocol and installs the spinning code for + * secondary CPUs. + * + * @madt: The MADT to update + */ +void acpi_write_park(struct acpi_madt *madt); + +/** * acpi_get_rsdp_addr() - get ACPI RSDP table address * * This routine returns the ACPI RSDP table address in the system memory. |